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Revista chilena de infectología

versão impressa ISSN 0716-1018

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DIAZ A, Manuel; VIEL R, Yamilka; ACOSTA B, Bárbara  e  CLAVER I, Daniel. ¿Is it necessary to perform a lumbar puncture in the evaluation of the febrile newborn infant without source?. Rev. chil. infectol. [online]. 2008, vol.25, n.3, pp.179-183. ISSN 0716-1018.  http://dx.doi.org/10.4067/S0716-10182008000300006.

Lumbar puncture to detect bacterial meningitis is a recommended screening procedure to be performed in febrile newborn infants at admission to hospital. Objective: To evaluate the usefulness of this procedure performed at admission and eventually, in a second look if clinically justified. Patients and method: There were studied 1,841 febrile newborns consulting at the Emergency Department from January 1992 to December 2000 without source. All of them underwent a sepsis workup. The rate of meningitis incidence was calculated, and we analyzed the frequency of meningitis diagnosed in the initial evaluation and reappraisal. Results: There were 206 febrile patients with diagnosis of meningitis for an incidence of 11.2%, which 20 were bacterial (1.1%) and 186 aseptic meningitis (10.1%). In the initial evaluation 155 patients were diagnosed with meningitis (155/ 1.774 = 8.7%) and in reappraisal (mean 39,5 ± 25,2 hours after) there were diagnosed another 51 cases (51/ 135 = 37.8%). Conclusions: The meningitis was a common diagnosis in febrile newborns without source, with prevalence of aseptic meningitis. In almost 25% of cases we reached to this diagnosis by means of performing lumbar puncture after a reappraisal

Palavras-chave : Newborn; lumbar puncture; fever; bacterial meningitis; aseptic meningitis.

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